Euronext Paris · ALGAE · stock
Fermentalg SA (ALGAE) stock price history
Every Euronext Paris trading session of Fermentalg SA from Apr 16, 2014 to Sep 28, 2026: 3,187 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
ALGAE adjusted close, 2014 to 2026
- €9.29
- All time high, 2014
- €0.6400
- 52 week high, €0.4000 low
- 3,187
- Daily sessions since 2014
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2014 to 2026 series and minute bars.
ALGAE key facts
- Fermentalg SA (ALGAE) closed at €0.4380 on Sep 28, 2026 on Euronext Paris.
- ALGAE's all time high close is €9.29, set on Apr 17, 2014; its all time low close is €0.2300 on Nov 1, 2023.
- ALGAE's 52 week range is €0.4000 to €0.6400.
- ALGAE returned -10.8% over the year to Sep 28, 2026 and -84.7% over five years.
- Over ten years ALGAE returned -85%, -17.2% a year compounded.
- ALGAE's deepest drawdown was -97.5% from Apr 17, 2014 to Nov 1, 2023.
- DataCedar holds 3,187 daily sessions of ALGAE history from Apr 16, 2014 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
ALGAE price chart, 2014 to 2026
ALGAE returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -4.8% |
| 3 months | -8.3% |
| 6 months | -3.2% |
| Year to date | +3.3% |
| 1 year | -10.8% |
| 3 years | +3.3% |
| 5 years | -84.7% |
| 10 years | -84.8% |
| Since Apr 16, 2014 | -95.1% |
| Compound annual growth, 12.5 years | -21.5% |
ALGAE records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €9.29 on Apr 17, 2014
- All time low close
- €0.2300 on Nov 1, 2023
- 52 week high
- €0.6400 on Apr 20, 2026
- 52 week low
- €0.4000 on Mar 9, 2026
- Deepest drawdown
- -97.5% from Apr 17, 2014 to Nov 1, 2023, not yet recovered
- Best single session
- +65.0% on Jan 5, 2021
- Worst single session
- -20.7% on Mar 16, 2020
- Volatility, 1 year annualised
- 43.5%
- Sessions closing higher, 1 year
- 41%
- Best calendar year
- 2021, +115%
- Worst calendar year
- 2023, -80%
ALGAE price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2014 starts on Apr 16, 2014; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €0.4215 | €0.6400 | €0.4000 | €0.4380 | +2.7% | 33.9M | 189 |
| 2025 | €0.3420 | €0.7300 | €0.2600 | €0.4265 | +25.1% | 70M | 255 |
| 2024 | €0.3080 | €0.9900 | €0.2650 | €0.3410 | +12.9% | 81.3M | 256 |
| 2023 | €1.53 | €1.71 | €0.2090 | €0.3020 | -80.2% | 43.3M | 255 |
| 2022 | €3.20 | €3.22 | €1.40 | €1.52 | -51.0% | 20.5M | 257 |
| 2021 | €1.47 | €4.84 | €1.46 | €3.11 | +115.1% | 129.8M | 258 |
| 2020 | €1.55 | €2.30 | €0.8100 | €1.45 | -6.3% | 42.5M | 257 |
| 2019 | €2.49 | €3.05 | €1.20 | €1.54 | -37.7% | 8.8M | 256 |
| 2018 | €3.15 | €3.98 | €2.46 | €2.48 | -21.3% | 8M | 255 |
| 2017 | €2.91 | €3.98 | €1.78 | €3.15 | +8.2% | 9.9M | 255 |
| 2016 | €5.84 | €5.91 | €1.94 | €2.91 | -49.8% | 5.6M | 257 |
| 2015 | €6.09 | €7.15 | €5.32 | €5.80 | -4.5% | 2.6M | 255 |
| 2014 | €8.90 | €9.48 | €5.37 | €6.07 | n/a | 2.3M | 182 |
ALGAE monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €0.4380 | -4.3% |
| August 2026 | €0.4575 | -0.8% |
| July 2026 | €0.4610 | -6.7% |
| June 2026 | €0.4940 | -0.8% |
| May 2026 | €0.4980 | -14.1% |
| April 2026 | €0.5800 | +18.9% |
| March 2026 | €0.4880 | +9.7% |
| February 2026 | €0.4450 | -2.9% |
| January 2026 | €0.4585 | +7.5% |
| December 2025 | €0.4265 | +2.0% |
| November 2025 | €0.4180 | -14.3% |
| October 2025 | €0.4875 | -2.5% |
About the ALGAE data
Daily bars. 3,187 sessions from Apr 16, 2014 to Sep 28, 2026, one row per Euronext Paris trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Sep 17, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are Euronext Paris trading days; minute timestamps are UTC. Prices are in EUR. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Apr 16, 2014, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/ALGAE/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Euronext Paris
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Common questions
ALGAE share price history
